A variable cost is a$($n$)$ Blank$\_\_\_\_\_\_.$

Multiple choice question.

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activity or event that causes costs to be incurredThis is a cost driver.

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cost that remains unchanged in total as the level of activity changesThis is a fixed cost.

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cost that can be directly traced to a productThis is a direct product cost.

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cost that changes, in total, in direct proportion to a change of activity$$

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